Log 1,2.... =
Log 12/10 =
Log 12 - Log 10 =
Log 12 - 1 =
Log3 + log3+ log3 + log3 - 1 =
0,4771 . 0,4771 . 0,4771. 0,4771 - 1 =
1,9084 - 1 =
0,9084
Log 1,5.... =
Log 15/10 =
Log15 - Log 10 =
Log15 - 1 =
Log(3.7-3-3) - 1 =
(Log3 + Log7 / Log3 / Log3) -1 =
(0,4771 + 0,8450 / 0,4771/ 0,4771)-1 =
5,8082 - 1 =
4,8082
